MICRF220 Ver la hoja de datos (PDF) - Micrel

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componentes Descripción

Fabricante

MICRF220

300MHz to 450MHz, 3.3V ASK/OOK Receiver with RSSI and Squelch

Micrel 

Micrel, Inc.

MICRF220

Absolute Maximum Ratings(1)

Supply Voltage (VDD).................................................. +5V

ANT, SQ, SEL0, SEL1,

SHDN DC Voltage. .................... −0.3V to VDD + 0.3V

Junction Temperature ...........................................+150ºC

Lead Temperature (soldering, 10sec.)..................+300°C

Storage Temperature .............................−65ºC to +150°C

Maximum Receiver Input Power ......................... +10dBm

ESD Rating(3).................................................... 3kV HBM

Operating Ratings(2)

Supply Voltage (VDD) ............................. +3.0V to +3.6V

Ambient Temperature (TA).................. –40°C to +105°C

ANT, SQ, SEL0, SEL1,

SHDN DC Voltage ................ ....−0.3V to VDD + 0.3V

Maximum Input RF Power.................................. 0 dBm

Receive Modulation Duty Cycle ....................... 20~80%

Frequency Range .......................... 300MHz to 450MHz

Electrical Characteristics

VDD = 3.3V, VSHDN = GND = 0V, SQ = open, CCAGC = 4.7µF, CCTH = 0.1µF, unless otherwise noted. Bold values indicate

–40°C ≤ TA ≤ 105°C. “Bit rate” refers to the encoded bit rate throughout this datasheet (see Note 4).

Parameter

Condition

Min.

Typ.

Max.

Continuous Operation, fRF = 315MHz

4.3

Operating Supply Current

Continuous Operation, fRF = 433.92MHz

6.0

Shutdown Current

VSHDN = VDD

0.1

Receiver

433.92MHz, VSEL1 = VSEL0 = 0V, BER = 1%

−112.5

Conducted Receiver

Sensitivity@1kbps (Note 5)

433.92MHz, VSEL1 = VSEL0 = 0V,

BER = 0.1%

315MHz, VSEL1 = 0V, VSEL0 = 3.3V,

BER = 1%

−110

−112.5

315MHz, VSEL1 = 0V, VSEL0 = 3.3V,

BER = 0.1%

−110

Image Rejection

IF Center Frequency (fIF)

fIMAGE = fRF – 2fIF

fRF = 315MHz

fRF = 433.92MHz

25

0.85

1.18

fRF = 315MHz

235

−3dB IF Bandwidth

fRF = 433.92MHz

330

−40dBm RF input level

1.15

CAGC Voltage Range

−100dBm RF input level

1.55

Reference Oscillator

Reference Oscillator

Frequency

Reference Buffer Input

Impedance

fRF = 315 MHz

fRF = 433.92 MHz

RO1 when driven externally

9.81713

13.52313

1.6

Reference Oscillator Bias

Voltage

RO2

1.15

Reference Oscillator Input

Range

External input, AC couple to RO1

0.2

1.5

Reference Oscillator Source

Current

VRO1 = 0V

300

Units

mA

µA

dBm

dB

MHz

kHz

V

MHz

kΩ

V

VP-P

µA

August 2010

3

M9999-082610-A

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